Combined pet stool and ramp



FIG. 1 is a perspective view of a combined pet stool and ramp showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof the right side being a mirror image of the left side shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a combined pet stool and ramp, as shown and described. 